IPv6 security and network protocols security

Get news and best practices on IPv6 security and network protocols such as VoIP, TCP/IP, FTP and more. Learn how to protect data and secure communication to prevent cyberattacks and stay up to speed on the latest flaw, vulnerabilities and exploits in popular network protocols.

August 04, 2021 04 Aug'21
Researchers crack new Let's Encrypt validation feature

Multiperspective validation can be thwarted with a traffic-throttling technique that could lead to attackers obtaining digital certificates for domains they don't own.
July 14, 2021 14 Jul'21
Microsoft: Chinese threat actor exploited SolarWinds zero-day

Microsoft has observed DEV-0322, the threat actor exploiting the SolarWinds Serv-U zero-day, 'targeting entities in the U.S. Defense Industrial Base Sector and software companies.'
May 13, 2021 13 May'21
'FragAttacks' eavesdropping flaws revealed in all Wi-Fi devices

Security researcher Mathy Vanhoef said every Wi-Fi device is impacted by at least one of the 12 vulnerabilities, and most devices are vulnerable to several of the flaws.
June 09, 2020 09 Jun'20
'CallStranger' vulnerability affects billions of UPNP devices

A new vulnerability in the Universal Plug and Play protocol could be used to exfiltrate enterprise data and launch DDoS attacks, and patches may not arrive for a long time.

Bring yourself up to speed with our introductory content

Secure Shell (SSH)

SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an unsecured network. Continue Reading
Advanced Encryption Standard (AES)

The Advanced Encryption Standard (AES) is a symmetric block cipher chosen by the U.S. government to protect classified information. Continue Reading
MD5

The MD5 (message-digest algorithm) hashing algorithm is a one-way cryptographic function that accepts a message of any length as input and returns as output a fixed-length digest value to be used for authenticating the original message. Continue Reading

Weigh the pros and cons of technologies, products and projects you are considering.

6 firewall selection criteria to purchase NGFWs

These six key factors will help your company determine the best NGFW product for your organization's needs. Continue Reading
Next-generation firewall comparison based on company needs

Compare leading next-generation firewalls to help find the option that best fits your IT environment and security needs. Continue Reading
Next-generation firewalls vs. traditional and UTMs

Learn the advantages of next-generation firewalls that protect enterprise networks from attacks and intrusion, as well as the differences between NGFWs and traditional firewalls. Continue Reading

Learn to apply best practices and optimize your operations.

6 SSH best practices to protect networks from attacks

SSH is essential, but default installations can be costly. Auditing and key management are among critical SSH best practices to employ at any organization. Continue Reading
What are the top network security techniques for modern companies?

Protecting the enterprise network remains integral to overall IT security. Here are the top network security techniques enterprises are using to protect data. Continue Reading
How does BGP hijacking work and what are the risks?

The lack of security protections in BGP means that route hijacking can be easy, especially for organized crime or state-backed threat actors. Here are ways to deal with it. Continue Reading

We’ve gathered up expert advice and tips from professionals like you so that the answers you need are always available.

Troubleshooting a DHCP server failure

DHCP errors often result from DHCP server failure, a lack of available IP addresses and network failure. But troubleshooting steps vary depending on the error symptoms and causes. Continue Reading
How to defend against TCP port 445 and other SMB exploits

Keeping TCP port 445 and other SMB ports open is necessary for resource sharing, yet this can create an easy target for attackers without the proper protections in place. Continue Reading
The top 6 SSH risks and how regular assessments cut danger

By performing ongoing risk assessments, organizations can keep their SSH vulnerabilities at a minimum and ensure their remote access foundation is secure. Continue Reading